读取方法：file_get_contents('php://input')

http://www.xxxx.com/post.php 接口代码

<?php
/*
 * @Author: your name
 * @Date: 2020-06-06 15:32:58
 * @LastEditTime: 2020-06-06 16:25:11
 * @LastEditors: Please set LastEditors
 * @Description: In User Settings Edit
 * @FilePath: \undefinedc:\Users\Administrator\Desktop\post.php
 */ 

require_once('./response.php');

$postData = file_get_contents('php://input');
$postJsonData = json_decode($postData);



if ($postJsonData) {
    return Response::show(200, '评论提交成功', $postJsonData);
}else{
    return Response::show(401, '评论提交失败', $postJsonData);
}